1. 屯門 WPM Welhome 咖啡機維修｜長期保養套餐優惠
作者：香港駿弘電器維修公司
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发表时间：2026-07-11 18:49:34
咖啡機最常壞 20 個故障問題｜保養知識問與答
Top 20 Common Coffee Machine Faults & Maintenance FAQ
1. 咖啡機完全無電、按開關毫無反應
1. Machine no power, no response after power on
故障原因：電源線斷裂、保險絲燒毀、主板電源模組損壞、溫度保護跳掣。
保養建議：定期檢查插頭線路，不要長時間插電待機。
保養建議：定期檢查插頭線路，不要長時間插電待機。
Cause: Broken power cord, blown fuse, damaged main power board, thermal protection tripped.
Maintenance Tip: Check power cord regularly, avoid standby power for long hours.
Maintenance Tip: Check power cord regularly, avoid standby power for long hours.
2. 機器有電但不出熱水、只出冷水
2. Power on but only cold water, no hot water
故障原因：加熱器燒斷、溫度感測器故障、恆溫器損壞。
保養建議：每3個月除水垢，避免加熱管堵塞燒毀。
保養建議：每3個月除水垢，避免加熱管堵塞燒毀。
Cause: Burnt heating element, faulty temperature sensor, broken thermostat.
Maintenance Tip: Descaling every 3 months to prevent heater clogging.
Maintenance Tip: Descaling every 3 months to prevent heater clogging.
3. 咖啡機持續漏水、底部積水
3. Constant water leakage, water pooling under machine
故障原因：水管老化破裂、密封圈硬化、水箱接頭鬆脫、排水盤破裂。
保養建議：半年更換一次沖煮頭膠圈，定期檢查軟管。
保養建議：半年更換一次沖煮頭膠圈，定期檢查軟管。
Cause: Cracked hose, aged rubber seal, loose tank connector, broken drip tray.
Maintenance Tip: Replace brew group seal every 6 months, inspect tubes regularly.
Maintenance Tip: Replace brew group seal every 6 months, inspect tubes regularly.
4. 出咖啡水流細、萃取極慢、壓力不足
4. Slow coffee flow, low extraction pressure, weak stream
故障原因：水路水垢堵塞、水泵壓力衰減、沖煮頭堵塞、濾網積油垢。
保養建議：每周清洗沖煮頭，定期除垢。
保養建議：每周清洗沖煮頭，定期除垢。
Cause: Limescale clog, weak water pump, blocked brew head, oily filter mesh.
Maintenance Tip: Clean brew head weekly, regular descaling.
Maintenance Tip: Clean brew head weekly, regular descaling.
5. 蒸汽棒不出蒸汽、打奶泡完全無力
5. No steam from steam wand, cannot foam milk
故障原因：蒸汽管奶垢堵塞、蒸汽閥故障、鍋爐壓力不足。
保養建議：每次打完奶立刻沖洗蒸汽棒，每日清潔。
保養建議：每次打完奶立刻沖洗蒸汽棒，每日清潔。
Cause: Milk residue blockage, faulty steam valve, low boiler pressure.
Maintenance Tip: Purge steam wand right after milk foaming, daily cleaning.
Maintenance Tip: Purge steam wand right after milk foaming, daily cleaning.
6. 全自動機磨豆機不轉、完全不磨豆
6. Built-in grinder does not spin, no bean grinding
故障原因：磨豆馬達燒毀、咖啡豆卡塞、磨盤卡死、傳動齒輪斷裂。
保養建議：每月清理磨盤油脂，勿放入受潮咖啡豆。
保養建議：每月清理磨盤油脂，勿放入受潮咖啡豆。
Cause: Burnt grinder motor, jammed coffee beans, stuck burr, broken gear.
Maintenance Tip: Clean burr oil monthly, avoid damp coffee beans.
Maintenance Tip: Clean burr oil monthly, avoid damp coffee beans.
7. 磨豆機運轉但出粉極少、出粉不均
7. Grinder spins but low powder output, uneven grind
故障原因：磨盤鈍化、粉道積油堵塞、調節間距偏移。
保養建議：每年檢查更換磨盤，定期清粉道。
保養建議：每年檢查更換磨盤，定期清粉道。
Cause: Worn burr, oily powder chute clog, grind setting misaligned.
Maintenance Tip: Replace burr yearly, clean powder chute regularly.
Maintenance Tip: Replace burr yearly, clean powder chute regularly.
8. 咖啡味道酸澀、苦澀、雜味重
8. Sour, bitter or odd coffee taste
故障原因：水路積垢發霉、沖煮頭油垢、溫度失準、磨粉粗細錯誤。
保養建議：每周使用咖啡清潔藥片清洗沖煮組。
保養建議：每周使用咖啡清潔藥片清洗沖煮組。
Cause: Moldy limescale, oily brew group, wrong water temp, incorrect grind size.
Maintenance Tip: Clean brew unit with cleaning tablet weekly.
Maintenance Tip: Clean brew unit with cleaning tablet weekly.
9. 機器運作噪音極大、震動劇烈
9. Extremely loud operation, heavy vibration
故障原因：水泵老化、磨豆機軸承磨損、機腳墊老化、內部零件鬆脫。
保養建議：放置平整台面，定期檢查內部螺絲。
保養建議：放置平整台面，定期檢查內部螺絲。
Cause: Aging water pump, worn grinder bearing, aged rubber feet, loose internal parts.
Maintenance Tip: Place on flat surface, tighten internal screws periodically.
Maintenance Tip: Place on flat surface, tighten internal screws periodically.
10. 水箱感應故障、有水仍提示缺水
10. Water tank sensor error, low water alert even full tank
故障原因：浮球感應器水垢卡滯、探頭氧化、主板偵測模組故障。
保養建議：清洗水箱浮球，避免自來水雜質堆積。
保養建議：清洗水箱浮球，避免自來水雜質堆積。
Cause: Limescale stuck float sensor, oxidized probe, faulty detection board.
Maintenance Tip: Clean tank float regularly, reduce tap water mineral buildup.
Maintenance Tip: Clean tank float regularly, reduce tap water mineral buildup.
11. 廢渣盒偵測異常、清空仍提示滿渣
11. Waste bin sensor error, full alert after emptying
故障原因：光感應器沾咖啡粉、彈簧感應片變形。
保養建議：每次清渣擦拭感應窗口。
保養建議：每次清渣擦拭感應窗口。
Cause: Coffee powder covered optical sensor, deformed spring sensor.
Maintenance Tip: Wipe sensor window every time empty waste bin.
Maintenance Tip: Wipe sensor window every time empty waste bin.
12. 沖煮組無法取出、卡死在機身內
12. Brew group stuck, cannot pull out for cleaning
故障原因：咖啡油垢凝固卡滯、齒輪移位、排水盤未卡緊。
保養建議：每週完整拆卸清洗沖煮組。
保養建議：每週完整拆卸清洗沖煮組。
Cause: Solidified coffee oil jam, misaligned gear, loose drip tray.
Maintenance Tip: Fully remove & clean brew unit weekly.
Maintenance Tip: Fully remove & clean brew unit weekly.
13. 半自動機泵壓持續飄移、萃取不穩定
13. Semi-auto pump pressure unstable, inconsistent extraction
故障原因：壓力開關老化、泵內皮膜破損、調壓閥卡垢。
保養建議：半年檢查一次泵壓與調壓閥。
保養建議：半年檢查一次泵壓與調壓閥。
Cause: Aging pressure switch, broken pump diaphragm, clogged regulator valve.
Maintenance Tip: Check pump pressure & regulator every 6 months.
Maintenance Tip: Check pump pressure & regulator every 6 months.
14. 膠囊咖啡機無法刺穿膠囊、不出咖啡
14. Capsule machine fails to pierce pod, no coffee output
故障原因：穿刺針彎曲、推桿彈簧疲勞、膠囊托盤變形。
保養建議：每次使用後擦拭穿刺針殘渣。
保養建議：每次使用後擦拭穿刺針殘渣。
Cause: Bent piercing needle, weak push spring, deformed capsule tray.
Maintenance Tip: Wipe residual coffee on needle after every use.
Maintenance Tip: Wipe residual coffee on needle after every use.
15. 機器持續加熱、溫度過高燙手
15. Machine overheating, exterior too hot to touch
故障原因：恆溫器失效、溫控板故障、散熱風扇停轉。
保養建議：保持機身周圍通風，不要封閉嵌入式櫃無散熱。
保養建議：保持機身周圍通風，不要封閉嵌入式櫃無散熱。
Cause: Failed thermostat, broken temperature control board, non-working cooling fan.
Maintenance Tip: Keep ventilation around machine, avoid closed cabinet installation.
Maintenance Tip: Keep ventilation around machine, avoid closed cabinet installation.
16. 控制面板按鈕失靈、觸控螢幕無反應
16. Control panel button / touch screen unresponsive
故障原因：按鍵導電膠老化、觸控板受潮、顯示主板故障。
保養建議：避免濕布直接擦拭面板，使用微濕軟布。
保養建議：避免濕布直接擦拭面板，使用微濕軟布。
Cause: Aged conductive rubber, damp touch panel, faulty display board.
Maintenance Tip: Do not wipe panel with dripping wet cloth, use slightly damp soft cloth.
Maintenance Tip: Do not wipe panel with dripping wet cloth, use slightly damp soft cloth.
17. 滴濾咖啡機出水斷斷續續、加熱盤生鏽
17. Drip machine intermittent water flow, rusted heating plate
故障原因：出水嘴水垢堵塞、加熱盤防水層脫落氧化。
保養建議：定期檸檬除垢，用完擦乾加熱盤。
保養建議：定期檸檬除垢，用完擦乾加熱盤。
Cause: Limescale blocked spout, peeled coating on heating plate.
Maintenance Tip: Descaling with lemon regularly, dry heating plate after use.
Maintenance Tip: Descaling with lemon regularly, dry heating plate after use.
18. 商用機鍋爐壓力上不去、出蒸汽緩慢
18. Commercial boiler low pressure, slow steam output
故障原因：鍋爐水垢堆積、壓力開關故障、補水泵流量不足。
保養建議：商用機每1–2個月深度除水垢。
保養建議：商用機每1–2個月深度除水垢。
Cause: Heavy boiler limescale, faulty pressure switch, weak refill pump.
Maintenance Tip: Deep descaling every 1-2 months for commercial machines.
Maintenance Tip: Deep descaling every 1-2 months for commercial machines.
19. 機器自動斷電、運行中途突然停機
19. Machine auto power off, sudden shutdown mid-operation
故障原因：過熱保護跳掣、電源接觸不良、主板短路漏電。
保養建議：不要多台大功率機共用一個插排。
保養建議：不要多台大功率機共用一個插排。
Cause: Overheat protection tripped, loose power contact, short-circuited main board.
Maintenance Tip: Do not share power strip with multiple high-power appliances.
Maintenance Tip: Do not share power strip with multiple high-power appliances.
20. 咖啡機長期保養完整流程（家用/商用區分）
20. Complete Long-term Maintenance Guide (Home / Commercial Separate)
家用保養：每日沖洗蒸汽棒、每周清洗沖煮組、3個月除水垢、半年更換膠圈。
商用保養：每日機體清潔、每週深度拆洗、每月除垢、季度檢查泵壓/鍋爐。
Home Maintenance: Purge steam wand daily, clean brew unit weekly, descale every 3 months, replace seal every 6 months.
Commercial Maintenance: Daily exterior clean, full disassembly weekly, monthly descaling, quarterly pump & boiler inspection.
我們專業維修咖啡機的全部品牌
All Coffee Machine Brands We Specialize In Repair
一、全自動高端家用 / 嵌入式（香港豪宅嵌入式主流）
1. Premium Fully-auto Built-in Home Models (Hong Kong Luxury Cabinet Standard)
Miele 美諾
Jura 優瑞
Delonghi 德龍
Saeco 喜客
Philips 飛利浦
Bosch 博世
Siemens 西門子
AEG
Liebherr 利勃海爾
De Dietrich 帝澤
Smeg 斯麥格
Gaggenau 嘉格納
二、意式半自動家用發燒友品牌（WPM Welhome同類家用機）
2. Semi-auto Home Barista Machines (WPM Welhome Equivalent Models)
WPM Welhome
Breville 鉑富
Rocket 火箭
Gaggia 加吉亞
Bezzera 貝澤拉
ECM
Profitec
Quick Mill
Ascaso 艾斯卡索
La Pavoni 拉帕沃尼
Lelit 萊利特
Gemilai 格米萊
Caffè Casa 卡法
Nuova Simonelli Musica
三、商用咖啡機（香港Cafe、餐廳維修主流）
3. Commercial Coffee Machines (Hong Kong Cafe & Restaurant Standard)
頂級精品商用：La Marzocco、Slayer、Kees Van Der Westen、Synesso
中高端連鎖商用：Nuova Simonelli、Faema、Wega、Astoria、Rancilio、Cimbali、Conti、Brasilia、Vibiemme、Expobar
Premium Commercial: La Marzocco, Slayer, Kees Van Der Westen, Synesso
Mid-tier Chain Commercial: Nuova Simonelli, Faema, Wega, Astoria, Rancilio, Cimbali, Conti, Brasilia, Vibiemme, Expobar
維修品牌總清單（可直接複製SEO標題）
Full Brand List (Copy for SEO Title)
專業維修工具｜標準維修順序
Professional Repair Tools | Standard Service Steps
全套專業維修工具
Full Set Professional Tools
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